As shown in the following table, for every ASN.1 useful type, there is an OM syntax that is functionally equivalent to it. The useful types are listed in the first column of the table; the corresponding syntaxes are listed in the second column.
Syntaxes for ASN.1 Useful Types
Type | Syntax |
External | Object(OM_C_EXTERNAL) |
Generalized Time | String(OM_S_GENERALISED_TIME_STRING) |
Object Descriptor | String(OM_S_OBJECT_DESCRIPTOR_STRING) |
Universal Time | String(OM_S_UTC_TIME_STRING) |